[UPD]Update view extension required

controller/indexController.php

@@ -24,17 +24,17 @@ public function __construct()
     }
 
     /**
-     * @return void
+     *
      */
-    function home()
+    function home(): void
     {
         $this->view->display('home');
     }
 
     /**
-     * @return void
+     *
      */
-    function changeLang()
+    function changeLang(): void
     {
         Session::put('lang', Input::get("lang"));
         Redirect::to("/");

src/Core/Views/Provider/Contract/ViewsContract.php

@@ -5,36 +5,55 @@
 
 namespace Wepesi\Core\Views\Provider\Contract;
 
-use Wepesi\Core\MetaData;
-
 /**
- *
+ * @template T
  */
 interface ViewsContract
 {
     /**
      * Setup new folder location for layout template
-     * @param string $folder_name
-     * @return mixed
+     * @var class-string<T> $folder_name
      */
-    public function setFolder(string $folder_name);
+    public function setFolder(string $folder_name): void;
 
     /**
      * render html content
-     * @param string $view
-     * @return mixed
+     * @var class-string<T> $view
      */
     public function display(string $view);
 
     /**
-     * @param string $variable
-     * @param mixed $value
-     * @return mixed
+     * assign variables data to be displayed on file_page
+     * @var class-string<T> $variable
+     * @var <T>  $value
      */
     public function assign(string $variable, $value);
 
     /**
+     * List all data assigned before being displayed
      * @return array
      */
     public function getAssignData(): array;
-}
+
+    /**
+     * Render html string text
+     * @var class-string<T> $html
+     */
+    public function renderHTML(string $html): void;
+
+    /**
+     * @var class-string<T> $template
+     */
+    public function setLayout(string $template): void;
+
+    /**
+     * provide layout content name
+     * @var class-string<T> $layout_name
+     */
+    public function setLayoutContent(string $layout_name): void;
+
+    /**
+     * reset view to default configuration
+     */
+    public function flush(): void;
+}

src/Core/Views/Provider/ViewBuilderProvider.php

@@ -5,41 +5,59 @@
 
 namespace Wepesi\Core\Views\Provider;
 
+use Wepesi\Core\Application;
 use Wepesi\Core\Escape;
+use Wepesi\Core\Views\Provider\Contract\ViewsContract;
 
-class ViewBuilderProvider implements Contract\ViewsContract
+/**
+ * @template T
+ * @template-implements ViewsContract<T>
+ */
+abstract class ViewBuilderProvider implements ViewsContract
 {
+    /**
+     * @var T[]
+     */
     protected array $data = [];
+    /**
+     * $reset
+     * @var bool
+     */
+    protected bool $reset = false;
 
+    /**
+     * @var string
+     */
+    protected string $layout = '';
+    /**
+     * @var string
+     */
+    protected string $layout_content = '';
     /**
      * @var string
      */
     protected string $folder_name = '';
 
     /**
-     * @param string $folder_name
-     * @return void
+     * @param class-string<T> $folder_name
+     *
      */
-    public function setFolder(string $folder_name)
+    public function setFolder(string $folder_name): void
     {
         $this->folder_name = Escape::addSlashes($folder_name);
     }
 
     /**
      * @inheritDoc
      */
-    public function display(string $view)
-    {
-        // TODO: Implement display() method.
-    }
-
+    abstract public function display(string $view);
     /**
      * assign variables data to be displayed on file_page
      *
-     * @param string $variable
+     * @param class-string<T> $variable
      * @param        $value
      */
-    public function assign(string $variable, $value)
+    public function assign(string $variable, $value): void
     {
         $this->data[$variable] = $value;
     }
@@ -52,4 +70,42 @@ public function getAssignData(): array
     {
         return $this->data;
     }
+
+    /**
+     * render html string text
+     * @param class-string<T> $html     *
+     */
+    public function renderHTML(string $html): void
+    {
+        print($html);
+    }
+
+    /**
+     * you should provide the extension of your file,
+     * in another case the file will be missing
+     * @param class-string<T> $template
+     */
+    public function setLayout(string $template): void
+    {
+        $this->layout = Application::$ROOT_DIR . '/views' . $template;
+    }
+
+    /**
+     * @param class-string<T> $layout_name
+     *
+     */
+    public function setLayoutContent(string $layout_name): void
+    {
+        $this->layout_content = $layout_name;
+    }
+
+    /**
+     * Reset view to default configuration     *
+     */
+    public function flush(): void
+    {
+        $this->reset = true;
+        $this->layout = '';
+        $this->folder_name = '';
+    }
 }